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Author: search.filters.author.Chen, Yiyang

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    Sustainable developments, renewable energy, and economic growth in Canada
    Chen, Yiyang; Mamon, Rogemar; Spagnolo, Fabio; Spagnolo, Nicola (Wiley, 2023)
    The object of this paper is to investigate the dynamic causal relationship between economic growth and renewable energy in Canada. The causal relationship is examined under the neoclassical production function framework. We employed a panel autoregressive distributed lag model controlling for different states of the economy by incorporating a dummy variable, which indicates the economic peak and trough. The data set consists of annual real GDP, capital formation, labor, and electricity generation by renewables for nine Canadian provinces covering from 1981 to 2015. The empirical results find that there is a unidirectional causality from renewable energy to economic growth in the long run. In the short run, a unidirectional causality going from renewable energy to economic growth only during the expansion period is observed. Our study suggests that renewable energy policies should be designed and implemented in a way that takes into account the nonlinear relationship between renewable energy and economic growth. This could involve promoting the development and deployment of renewable energy sources as part of their economic stimulus packages during economic upturns.
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    Stock market returns and climate risk in the U.S.
    Chen, Yiyang; Mamon, Rogemar; Spagnolo, Fabio; Spagnolo, Nicola (Elsevier, 2025)
    Using a data set for all companies forming the S&P 500 index, we investigate the stock price responses to acute physical risks, chronic physical risks, and transition risks. Our findings reveal that certain sectors are more vulnerable to climate risks, whereas others appear to be relatively unaffected. In addition, our results show that listed firms with poor environmental performance scores are more exposed to climate risk, as indicated by their stock returns being negatively affected, compared to firms with higher environmental performance scores. This suggests that improving environmental performance may help companies to better cope with climate risks and improve their financial performances. Our analysis provides evidence that the short-term systematic risk is more vulnerable to the climate risk events, whereas effects on long-term systematic risk do not appear to be statistically significant. These findings indicate that investors and firms should pay a particular attention to short-term systematic risk when considering the potential impact of climate risk on stock market performances.